Tô An Kỳ has achieved a perfect score of 10 on a specialized Mathematics exam. This accomplishment is particularly notable as it was the only perfect score awarded by the Department of Education. The student managed to secure the top mark after identifying a critical link between two parts of a combinatorics problem. This breakthrough occurred during the final minutes of the examination. By solving this complex section, An Kỳ solidified their position as the top student. The result highlights a high level of mathematical proficiency and composure under pressure. This rare achievement marks a significant academic milestone for the student.